rust/src/test/ui/consts/write_to_mut_ref_dest.stock.stderr
Jacob Pratt 0cdbeaa2a3
Stabilize const_raw_ptr_deref for *const T
This stabilizes dereferencing immutable raw pointers in const contexts.
It does not stabilize `*mut T` dereferencing. This is placed behind the
`const_raw_mut_ptr_deref` feature gate.
2021-11-06 17:05:15 -04:00

22 lines
844 B
Plaintext

error[E0658]: mutable references are not allowed in constants
--> $DIR/write_to_mut_ref_dest.rs:11:27
|
LL | let b: *mut u32 = &mut a;
| ^^^^^^
|
= note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
= help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
error[E0658]: dereferencing raw mutable pointers in constants is unstable
--> $DIR/write_to_mut_ref_dest.rs:12:18
|
LL | unsafe { *b = 5; }
| ^^^^^^
|
= note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
= help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0658`.